package com.example.day06.ex08;

import java.util.Scanner;

public class Test08 {
    public static void main(String[] args) {

        int[] arr = {19, 28, 37, 46, 50};

        Scanner sc = new Scanner(System.in);
        System.out.println("请输入要查找的数据：");
        int number = sc.nextInt();

        int index = getIndex(arr, number);

        System.out.println("index: " + index);
    }

    public static int getIndex(int[] arr, int number) {

        int index = -1;
        for (int x = 0; x < arr.length; x++) {
            if (arr[x] == number) {
                index = x;
                break;
            }
        }

        return index;
    }
}